Mount Semeru or Sumeru is the highest volcano in Java, with its peak Mahameru, 3676 meters above sea level. The creater at the summit of Mount Semeru Saloko Jonggring.

In 1913 and 1946 Crater Jonggring Saloka have dome with a height of 3744.8 M until end November 1973. On the south, the dome is broken edge of the crater caused lava flows towards the south side of the covering area and Candipuro Pronojiwo in Lumajang.

It takes approximately four days to climb the peak of Mount Semeru round-trip. To climb the mountain semeru can be reached the town of Malang or Lumajang. From the city unfortunate we ride public transportation to the village Tumpang. Connected again with a jeep or truck there is lots of vegetables in the back of the tumpang market with cost per person 20,000, - until the Postal Ranu Pani.

Using a vegetable truck or jeep journey starts from Tumpang to Ranu Pani, the last village at the foot semeru. Here there are checkpoints, there are also stalls and cottages. For climbers who bring tents are charged Rp 20,000, and if carrying a camera,tent also be charged Rp 5,000,. In this post we can also look for porters (local residents to help indicate the direction climbing, lifting goods and cooking). Climbers can also spend the night at the guard post. In Pos Ranu Pani also there are two lakes namely Lake Ranu Pani (1 ha) and Ranu Regulo lake (0.75 ha). Located at an altitude of 2200 (mdpl).

Having arrived at the gate "welcome", note continues to the left toward the hill, do not follow the broad road toward the farm population. In addition to the usual route passed the climbers, there is also a shortcut that is usually used by local climbers, this path is very steep.

Initial lane ramps, down a hillside dominated by reed plants. There are no signs pointing toward the street, but there are signs at every 100m distance measure. There are many fallen trees and branches above the head.

After walking about 5 km down a hillside overgrown with Edelweiss, and will arrive at Watu Rejeng. Here there are steep stone is very beautiful. Very beautiful scenery to the valley and the hills, and is overgrown with fir and pine forest. Sometimes smoke can be seen from the top semeru. To reach Ranu Kumbolo still have to travel about 4.5 km.
Ranu Kumbolo

In Ranu Kumbolo to set up a tent. There is also a hikers hut (shelter). There is a lake with water that is clean and has beautiful scenery, especially in the morning to watch the sunrise on the sidelines of hill. There are many fish, sometimes wild grouse. Ranu Kumbolo located at an altitude of 2400 m with an area of 14 ha.

From Ranu Kumbolo should prepare as much water as possible. Leaving Ranu Kumbolo then climb the steep hill, with beautiful views over the lake behind. In front of the hill lies a vast prairie called the oro-oro ombo. Oro-oro ombo surrounded by hills and mountains with beautiful views, wide meadows with pine-covered slopes of Europe. From behind the Mt. Kepolo looked peak Mt. Semeru wedus smoke spewing trash.

Further into the Pine forests where birds and deer sometimes encountered. This area is called Cemoro Cage.

Post Kalimati located at an altitude 2700 m, here to set up a tent to rest. Post this form of extensive grasslands on the edge of pine forest, so many available branches to build a fire.

There is a spring water source Mani, to the west (right) tracing Kalimati forest edges with a distance of 1 hour round trip. In Kalimati and in Arcopodo numerous mountain rats.

To go Arcopodo turn left (East), walk about 500 meters, then turn right (south) down the little meadow Kalimati. Arcopodo is 1 hour from Kalimati through pine forests which are very steep, with soils prone to landslides and dusty. Can we also camped at Arcopodo, but less stable soil conditions and frequent landslides. We recommend using goggles and cover your nose because a lot of fly ash. Arcopodo located at an altitude of 2.900m, Arcopodo is the last area of vegetation on Mount Semeru, the rest will pass through the dunes.

From Arcopodo to the top of Semeru takes 3-4 hours, past the dunes are very steep and easily degenerate. As a guide trip, at this point there are also several small triangular red flag. All luggage should stay in Arcopodo or in Kalimati. Climbing to the summit made the early morning at around 2:00 am from Arcopodo.

At noon the wind north toward the peak carrying poisonous gas from the crater Jonggring Saloka.

The climb should be done during the dry season ie June, July, August, and September. Should not climb in the wet season because of frequent storms and landslides.